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OBJECTIVE TYPE QUESTIONSAtomic StructureQ.I FIII in the blanks with the correct words from the brackets.1. A molecule of an element isſwater /chlorine/ ammonia]2. A radical with one atom of sulphur & three atoms of oxygen is[bisulphite/sulphate/sulphite)3. An element with variable valency is(sodium/copper/calcium]4. The formula of aluminium sulphate is(AISO/Al2(SO3)3/A12(SO4)21.5 The element lithium in the Modern Periodic Table with valency 1* belongs to the[2/1] |
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Answer» Answer: 1-copper 2 SULPHITE |
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